197488106 has 4 divisors (see below), whose sum is σ = 296232162. Its totient is φ = 98744052.

The previous prime is 197488091. The next prime is 197488111. The reversal of 197488106 is 601884791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601884791 = 14173 ⋅42467.

It can be written as a sum of positive squares in only one way, i.e., 188815081 + 8673025 = 13741^2 + 2945^2 .

It is a super-2 number, since 2×197488106² = 78003104022934472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49372025 + ... + 49372028.

Almost surely, 2^197488106 is an apocalyptic number.

197488106 is a deficient number, since it is larger than the sum of its proper divisors (98744056).

197488106 is an equidigital number, since it uses as much as digits as its factorization.

197488106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98744055.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 197488106 is about 14053.0461466545. The cubic root of 197488106 is about 582.3449516416.

The spelling of 197488106 in words is "one hundred ninety-seven million, four hundred eighty-eight thousand, one hundred six".